CN112945588A - Lifting and positioning mechanism for counterforce cross beam - Google Patents
Lifting and positioning mechanism for counterforce cross beam Download PDFInfo
- Publication number
- CN112945588A CN112945588A CN202110121728.XA CN202110121728A CN112945588A CN 112945588 A CN112945588 A CN 112945588A CN 202110121728 A CN202110121728 A CN 202110121728A CN 112945588 A CN112945588 A CN 112945588A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- oil
- suspension
- straight wall
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Actuator (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a counter-force beam lifting and positioning mechanism, which comprises an upright post and a counter-force beam, wherein the counter-force beam can move up and down along the upright post and is positioned; the driving mechanism comprises a suspension oil cylinder arranged on the outer side of the upright post and a double-cylinder synchronous motor hydraulic station arranged on the counter-force cross beam, and the double-cylinder synchronous motor hydraulic station is communicated with the suspension oil cylinder on an oil way through an oil pipe; the suspension oil cylinder is vertically arranged, the cylinder body of the suspension oil cylinder penetrates through and is fixedly connected with the counter-force beam, and the upper end of a piston rod of the suspension oil cylinder is connected with the suspension support on the outer side surface of the upright post. This mechanism simple structure, safe and reliable, and make things convenient for the dismouting, can be for vehicle or bogie test provide very big additional action, can be safe effectual shorten installation time, for being striven for more test time by the test piece test, show improvement efficiency of software testing.
Description
Technical Field
The invention relates to the technical field of rail vehicle test devices, in particular to a mechanism for driving a reaction beam of a test bed to lift and position in the design process of a rail vehicle.
Background
With the continuous development of the rail transit industry, vehicle design technology is continuously innovated, and in the design process of new vehicle types, the performance and reliability of vehicle design need to be continuously verified, so that safe and reliable test equipment is particularly important.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a typical reaction beam lifting and positioning device.
As shown, a typical test stand 1 comprises a reaction beam 2, and during the test, the height of the reaction beam 2 needs to be adjusted and fixed, and the prior art has the following disadvantages:
on the one hand, need adopt the overhead traveling crane to lift by crane reaction crossbeam 2, and the overhead traveling crane is at the during operation, and not only the operating efficiency is low, has the potential safety hazard moreover.
On the other hand, the reaction cross beam 2 is fixed by the front and rear clamping pressing plates 3, the front and rear clamping pressing plates 3 are heavy, manual carrying is inconvenient, a gantry frame is arranged above the clamped rear pressing plate to block the crane for lifting, and the reaction cross beam 2 is not convenient to disassemble and assemble.
In addition, in the test process, the reaction beam 2 can not be lifted independently and can only be lifted by means of a crown block, so that the use is inconvenient.
In addition, because the overhead traveling crane belongs to extensive type operation equipment, through the overhead traveling crane lift by crane adjustment reaction crossbeam 2's mounting height, not only consuming time, power consumption, precision are low, and have the potential safety hazard.
Disclosure of Invention
The invention aims to provide a reaction beam lifting and positioning mechanism. The mechanism is simple in structure, safe, reliable and high in universality.
In order to achieve the above object, the present invention provides a counter-force beam lifting and positioning mechanism, which includes two columns arranged at intervals and a counter-force beam capable of moving up and down along the outer side surfaces of the columns and positioning, wherein two ends of the counter-force beam are respectively provided with a clasping mechanism for fixing the counter-force beam on the columns, and the outer sides of the columns are provided with driving mechanisms for driving the counter-force beam to ascend or descend; the driving mechanism comprises a suspension oil cylinder arranged on the outer side of the upright post and a double-cylinder synchronous motor hydraulic station arranged on the counter-force cross beam, and the double-cylinder synchronous motor hydraulic station is communicated with the suspension oil cylinder on an oil way through an oil pipe; the suspension oil cylinder is vertically arranged, the cylinder body of the suspension oil cylinder penetrates through and is fixedly connected with the counter-force beam, and the upper end of a piston rod of the suspension oil cylinder is connected with the suspension support on the outer side surface of the upright post.
Preferably, the reaction beam is provided with a through hole for the cylinder body of the suspension cylinder to pass through, the cylinder body of the suspension cylinder is provided with a flange in the middle or on the upper side, and the flange is fixed on the upper surface of the reaction beam.
Preferably, a piston rod of the suspension oil cylinder is connected with the suspension support through a connecting rod, one end of the connecting rod is hinged with the suspension support through a first pin shaft, and the other end of the connecting rod is hinged with the piston rod of the suspension oil cylinder through a second pin shaft.
Preferably, the clasping mechanism comprises an L-shaped guide rail arranged on the left side and the right side of the upright post and a guide rail connecting seat arranged on the counter-force beam; each end of the counter-force beam is provided with four guide rail connecting seats, two guide rail connecting seats are positioned on the upper surface of the counter-force beam and are bilaterally symmetrical relative to the upright post, and the other two guide rail connecting seats are positioned on the lower surface of the counter-force beam and are bilaterally symmetrical relative to the upright post; each guide rail connecting seat is respectively provided with an inverted L-shaped guide rail pressing plate and a connecting piece used for pressing the L-shaped guide rail pressing plates on the L-shaped guide rail in the front-back direction.
Preferably, the L-shaped guide rail comprises a first straight wall and a second straight wall, the first straight wall is fixedly connected to the side surface of the upright column through a bolt, and the second straight wall is perpendicular to the side surface of the upright column; the L-shaped guide rail pressing plate comprises a third straight wall and a fourth straight wall, the third straight wall is parallel to the first straight wall, the fourth straight wall is parallel to the second straight wall, and a space for clamping the second straight wall is formed between the fourth straight wall and the guide rail connecting seat.
Preferably, the connecting piece comprises a bolt, the fourth straight wall of the guide rail connecting seat and the L-shaped guide rail pressing plate is provided with longitudinally arranged bolt holes, and the bolt penetrates through the area between the edge of the second straight wall and the third straight wall.
Preferably, the guide rail connecting seat comprises a right-angle base plate and a rib plate arranged in the right-angle area of the right-angle base plate, transverse plates of the right-angle base plate are fixedly connected to the upper surface of the counter-force cross beam through bolts, one part of a vertical plate of the right-angle base plate is tightly attached to the outer side surface of the upright post, and the other part of the vertical plate of the right-angle base plate is tightly attached to the outer side surface of a second straight wall of the L-shaped guide rail.
Preferably, the double-cylinder synchronous motor hydraulic station is arranged at the central position of the upper surface of the counterforce cross beam.
Preferably, the double-cylinder synchronous motor hydraulic station comprises an oil tank, an oil pump and an oil pump driving motor, wherein the oil pump and the oil pump driving motor are arranged at the top of the oil tank, an input oil pipe of the oil pump is communicated with the oil tank, an output oil pipe of the oil pump is communicated with an oil inlet of an electromagnetic reversing valve, an oil outlet of the electromagnetic reversing valve is communicated with a hydraulic control one-way valve, an oil outlet oil way of the hydraulic control one-way valve is divided into two ways, the first way is communicated to an upper oil cylinder synchronous motor through an upper oil chamber reversing oil pipe, the second way is communicated to a lower oil cylinder synchronous motor through a lower oil chamber reversing oil pipe, and.
Preferably, an oil outlet oil path of the hydraulic control one-way valve is provided with a bypass, and an overflow valve is arranged on the bypass.
The lifting and positioning mechanism for the counter-force cross beam has the advantages of wide application range, strong universality, convenience, high efficiency, labor saving, accurate lifting position, simple structure, easiness in processing and mounting, low manufacturing difficulty and cost and safe and reliable structural strength, can be used for conveniently adapting a test bed to a single-section whole vehicle or single bogie test, can be used for quickly and safely adjusting the structure of the test bed, can provide a great auxiliary effect for a vehicle or bogie test, can safely and effectively shorten the mounting time, strives for more test time for a test piece test, and improves the test efficiency.
Drawings
FIG. 1 is a schematic diagram of a typical reaction beam lift positioning mechanism;
fig. 2 is an isometric view of a reaction beam lifting and positioning mechanism disclosed in the embodiment of the invention when the reaction beam is in a descending state;
FIG. 3 is an isometric view of a reaction beam lift positioning mechanism as disclosed in an embodiment of the present invention with the reaction beam in a raised state;
FIG. 4 is an enlarged view of a portion of the test bed reaction beam elevation positioning mechanism of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a schematic structural view of the suspension cylinder connected to the suspension support;
FIG. 7 is a schematic structural view of an "L" shaped guide rail;
FIG. 8 is a schematic structural view of an "L" shaped guide rail pressing plate;
fig. 9 is a schematic structural diagram of a double-cylinder synchronous motor hydraulic station.
In the figure:
1. test bed 2, counter-force crossbeam 3, front and back clamping pressure plate 4, upright post 5, supporting component 6, holding mechanism 61, L-shaped guide rail 62, L-shaped guide rail pressure plate 63, guide rail connecting seat 7, driving mechanism 8, suspension oil cylinder 81, cylinder body 82, piston rod 83, flange 9, double-cylinder synchronous motor hydraulic station 91, oil tank 92, oil pump 93, oil pump driving motor 94, electromagnetic reversing valve 95, hydraulic control one-way valve 96, oil cylinder upper cavity synchronous motor 97, oil cylinder lower cavity synchronous motor 98, overflow valve 10, suspension support 11, oil pipe 12, connecting rod 13, first pin shaft 14, second pin shaft 14
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In this document, terms such as "upper, lower, left, right" and the like are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, they are not to be construed as absolute limitations on the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
Referring to fig. 2 and 3, fig. 2 is an isometric view of a reaction beam lifting and positioning mechanism according to an embodiment of the present invention when the reaction beam is in a lowered state; fig. 3 is an isometric view of a reaction beam elevation positioning mechanism according to an embodiment of the present invention, when the reaction beam is in an elevated state.
As shown in the drawings, in an embodiment, the reaction beam lifting and positioning mechanism of the test bed 1 provided by the invention can adjust and fix the height of the reaction beam 2, the test bed 1 has four upright posts 4, each upright post 4 is respectively provided with an oblique supporting part 5 for ensuring the stability of the structure, the upper end of the supporting part 5 is hinged with a support on the side surface of the upright post 4, and the lower end of the supporting part 5 is hinged with a support on the ground.
The reaction beam 2 is located outside the two columns 4 on the near side of the figure, is attached to the outer side surfaces of the two columns 4, can move up and down along the outer side surfaces of the columns 4, and is positioned, holding mechanisms 6 for fixing the reaction beam 2 to the columns 4 are respectively provided at both ends of the reaction beam 2 for positioning, and a driving mechanism 7 for driving the reaction beam 2 to ascend or descend is provided outside the column 3 for adjusting the height of the reaction beam 2.
Specifically, the driving mechanism 7 mainly comprises a suspension cylinder 8 arranged outside the upright column and a double-cylinder synchronous motor hydraulic station 9 arranged on the upper surface of the reaction beam 2, and the like, wherein the reaction beam 2 is provided with a through hole at the position where the suspension cylinder 8 is installed, the suspension cylinder 8 is vertically arranged, a cylinder body 81 of the suspension cylinder passes through and is fixedly connected to the reaction beam 2, the upper end of a piston rod 82 of the suspension cylinder is connected with a suspension support 10 on the outer side surface of the upright column 4, and the double-cylinder synchronous motor hydraulic station 9 is communicated with the suspension cylinder 8 on an oil way through an oil pipe 11.
When the double-cylinder synchronous motor hydraulic station 9 operates, the reaction beam 2 moves up and down together with the double-cylinder synchronous motor hydraulic station 9 thereon and the cylinder body 81 of the suspension cylinder 8, and the position of the piston rod 82 of the suspension cylinder 8 is relatively fixed.
Referring to fig. 4, 5 and 6, fig. 4 is a partially enlarged view of the reaction beam elevating and positioning mechanism of the test bed shown in fig. 2; FIG. 5 is an enlarged view of a portion of FIG. 4; fig. 6 is a schematic structural view of the connection between the suspension cylinder and the suspension support.
As shown in the figure, a flange 83 is provided at a middle or upper position of the cylinder body 81 of the suspension cylinder 8, and the flange 83 is fixed to the upper surface of the reaction beam 2 by bolts after the cylinder body 81 passes through the reaction beam 2.
The outer side surface of the upright post 4 is provided with a suspension support 10 positioned above the reaction beam 2, the upper end of the suspension oil cylinder 8 is connected with the suspension support 10 through a connecting rod 12, one end of the connecting rod 12 is hinged with the suspension support 10 through a first pin shaft 13, the other end of the connecting rod 12 is hinged with the upper end of a piston rod 82 through a second pin shaft 14, and the first pin shaft 13 and the second pin shaft 14 are pin shafts with handles so as to be convenient to detach.
The suspension oil cylinder 8 is hinged with the suspension support 10 through the connecting rod 12, so that the suspension oil cylinder 8 can be always in a vertical state even if the suspension oil cylinder deviates, and the inclination phenomenon cannot occur.
Referring to fig. 7 and 8, fig. 7 is a schematic structural view of an "L" shaped guide rail; fig. 8 is a structural schematic diagram of an "L" shaped guide rail pressing plate.
As shown in the figure, the clasping mechanism 6 mainly comprises an "L" shaped guide rail 61, an "L" shaped guide rail pressing plate 62, a guide rail connecting seat 63, a plurality of bolts and other components.
Each stand 4 is equipped with two "L" shape guide rail 61, and two "L" shape guide rail 61 are installed in the left and right sides of stand 4 along longitudinal direction respectively, and guide rail connecting seat 63 installs on reaction beam 2, and each end of reaction beam 2 is equipped with four guide rail connecting seats 63, and wherein two guide rail connecting seats 63 are located the upper surface of reaction beam 2 and about stand 4 bilateral symmetry, and two other guide rail connecting seats 63 are located the lower surface of reaction beam 2 and about stand 4 bilateral symmetry.
The guide rail connecting seats 63 are respectively provided with reverse L-shaped guide rail pressing plates 62, each L-shaped guide rail 61 is provided with a first straight wall and a second straight wall, the first straight wall is fixedly connected to the side surface of the upright post 4 through bolts, and the second straight wall is vertical to the side surface of the upright post 4; the L-shaped rail pressing plate 62 has a third straight wall parallel to the first straight wall and a fourth straight wall parallel to the second straight wall and forming a space for clamping the second straight wall with the rail coupling seat 63.
Guide rail connecting seat 63 includes the right angle shape base plate and locates the floor in the right angle region of right angle shape base plate, and the diaphragm of right angle shape base plate links firmly in the upper surface of reaction beam 2 through the bolt, and the lateral surface of stand 4 is hugged closely to some of the riser of right angle shape base plate, and the lateral surface of the straight wall of second of "L" shape guide rail 61 is hugged closely to another part of the riser of right angle shape base plate.
The fourth straight wall of the guide rail connecting seat 63 and the L-shaped guide rail pressing plate 62 is provided with bolt holes which are longitudinally arranged, bolts penetrate through the area between the edge of the second straight wall and the third straight wall, and the L-shaped guide rail pressing plate 62 can be pressed tightly on the L-shaped guide rail 61 in the front-back direction through the bolts, so that the counter-force beam 2 is tightly held on the outer side surface of the upright post 4.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a dual cylinder synchronous motor hydraulic station.
As shown in the figure, the double-cylinder synchronous motor hydraulic station 9 is substantially disposed at the center of the upper surface of the reaction cross beam, and mainly includes hydraulic components such as an oil tank 91, an oil pump 92, an oil pump driving motor 93, an electromagnetic directional valve 94, a hydraulic control one-way valve 95, an oil cylinder upper cavity synchronous motor 96, an oil cylinder lower cavity synchronous motor 97, and an overflow valve 98.
The oil pump 92, the oil pump driving motor 93 and other components are all mounted at the top of the oil tank 91, an input oil pipe of the oil pump 92 is communicated with the oil tank 91, an output oil pipe of the oil pump 92 is communicated with an oil inlet of the electromagnetic directional valve 94, an oil outlet of the electromagnetic directional valve 94 is communicated with the hydraulic control one-way valve 95, an oil outlet oil passage of the hydraulic control one-way valve 95 is provided with a bypass, an overflow valve 98 is arranged on the bypass, the oil outlet oil passage of the hydraulic control one-way valve 95 is divided into two passages, the first passage is communicated with the cylinder upper chamber synchronous motor 96 through an upper chamber directional oil pipe, the second passage is communicated with the cylinder lower chamber synchronous motor 97 through a lower chamber directional oil pipe, the cylinder upper chamber synchronous motor 96 and the cylinder lower chamber synchronous motor 97 are respectively communicated with the suspension cylinder 8.
When the hydraulic system runs, the cylinder upper cavity synchronous motor 96 of the double-cylinder synchronous motor hydraulic station 9 injects hydraulic oil into the upper oil cavity of the suspension cylinder 8, and the piston rod 82 of the suspension cylinder 8 is relatively fixed, so that the cylinder body 81 of the suspension cylinder 8 moves upwards under the pressure action of the hydraulic oil, and the reaction cross beam 2 is driven to ascend, whereas, when the cylinder lower cavity synchronous motor 97 of the double-cylinder synchronous motor hydraulic station 9 injects the hydraulic oil into the lower oil cavity of the suspension cylinder 8, the piston rod 82 of the suspension cylinder 8 is relatively fixed, so that the cylinder body 81 of the suspension cylinder 8 moves downwards under the pressure action of the hydraulic oil, and the reaction cross beam 2 is driven to descend.
The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of the above embodiments, various embodiments can be obtained by performing targeted adjustment according to actual needs. For example, the cylinder 81 of the suspension cylinder 8 is fixed to the reaction beam 2 by another structure, or the reaction beam 2 is held tightly to the column 4 by another method, or the like. This is not illustrated here, since many implementations are possible.
The invention has simple structure, safety and reliability, is convenient to disassemble and assemble, can provide great auxiliary action for vehicle or bogie tests, can safely and effectively shorten the installation time, strives for more test time for tested piece tests, and obviously improves the test efficiency.
The above description describes the reaction beam lifting and positioning mechanism provided by the present invention in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The reaction beam lifting and positioning mechanism comprises two stand columns (4) arranged at intervals and a reaction beam (2) capable of moving up and down along the outer side surfaces of the stand columns (4) and positioning, and is characterized in that two ends of the reaction beam (2) are respectively provided with a clasping mechanism (6) for fixing the reaction beam (2) on the stand columns (4), and the outer sides of the stand columns (4) are provided with driving mechanisms (7) for driving the reaction beam (2) to ascend or descend; the driving mechanism (7) comprises a suspension oil cylinder (8) arranged on the outer side of the upright post (3) and a double-cylinder synchronous motor hydraulic station (9) arranged on the counter-force cross beam (2), and the double-cylinder synchronous motor hydraulic station (9) is communicated with the suspension oil cylinder (8) on an oil way through an oil pipe (11); the suspension oil cylinder (8) is vertically arranged, a cylinder body (81) of the suspension oil cylinder penetrates through and is fixedly connected with the counter-force beam (2), and the upper end of a piston rod (82) of the suspension oil cylinder is connected with a suspension support (10) on the outer side surface of the upright post (4).
2. A reaction beam lift positioning mechanism according to claim 1, characterized in that the reaction beam (2) is provided with a through hole through which the cylinder body (81) of the suspension cylinder (8) passes, and the cylinder body (81) of the suspension cylinder (8) is provided with a flange (83) at a middle or upper position, and the flange (83) is fixed to the upper surface of the reaction beam (2).
3. The counter-force beam lifting and positioning mechanism according to claim 1, wherein the upper end of the piston rod (82) of the suspension cylinder (8) is connected to the suspension support (10) through a connecting rod (12), one end of the connecting rod (12) is hinged to the suspension support (10) through a first pin (13), and the other end of the connecting rod (12) is hinged to the piston rod (82) of the suspension cylinder (8) through a second pin (14).
4. The reaction beam elevating and positioning mechanism of claim 1, wherein the clasping mechanism (6) comprises "L" -shaped guide rails (61) installed on the left and right sides of the upright (4) and a guide rail attachment seat (63) installed on the reaction beam (2); each end of the reaction cross beam (2) is provided with four guide rail connecting seats (63), wherein two guide rail connecting seats (63) are positioned on the upper surface of the reaction cross beam (2) and are bilaterally symmetrical with respect to the upright post (4), and the other two guide rail connecting seats (63) are positioned on the lower surface of the reaction cross beam (2) and are bilaterally symmetrical with respect to the upright post (4); each guide rail connecting seat (63) is respectively provided with an inverted L-shaped guide rail pressing plate (62) and a connecting piece for pressing the L-shaped guide rail pressing plates (62) on the L-shaped guide rails (61) in the front-back direction.
5. The reaction beam lifting and positioning mechanism of claim 4, wherein the L-shaped guide rail (61) comprises a first straight wall and a second straight wall, the first straight wall is fixed on the side surface of the upright (4) through bolts, and the second straight wall is perpendicular to the side surface of the upright (4); the L-shaped guide rail pressing plate (62) comprises a third straight wall and a fourth straight wall, the third straight wall is parallel to the first straight wall, the fourth straight wall is parallel to the second straight wall, and a space for clamping the second straight wall is formed between the fourth straight wall and the guide rail connecting seat (63).
6. The reaction beam lifting and positioning mechanism of claim 5, wherein the connecting member comprises a bolt, and the rail connecting seat (63) and the fourth straight wall of the L-shaped rail pressing plate (62) are provided with longitudinally arranged bolt holes, and the bolt penetrates through the area between the edge of the second straight wall and the third straight wall.
7. A counter-force beam lifting and positioning mechanism according to claim 6, characterized in that the guide rail connection seat (63) comprises a right-angled base plate and a rib plate arranged in the right-angled area of the right-angled base plate, the cross plates of the right-angled base plate are fastened to the upper surface of the counter-force beam (2) by bolts, one part of the riser of the right-angled base plate is tightly attached to the outer side surface of the upright (4), and the other part of the riser of the right-angled base plate is tightly attached to the outer side surface of the second straight wall of the L-shaped guide rail (61).
8. Reaction beam lifting positioning mechanism according to claim 1, characterized in that the double cylinder synchronous motor hydraulic station (9) is provided in the center of the upper surface of the reaction beam (2).
9. Reaction beam lifting positioning mechanism according to claim 8, characterized in that the double cylinder synchronous motor hydraulic station (9) comprises an oil tank (91) and an oil pump (92) and an oil pump drive motor (93) arranged on top of the oil tank (91), an input oil pipe of the oil pump (92) is communicated with the oil tank (91), an output oil pipe of the oil pump (92) is communicated to an oil inlet of the electromagnetic directional valve (94), an oil outlet of the electromagnetic directional valve (94) is communicated to a hydraulic control one-way valve (95), the oil outlet oil path of the hydraulic control one-way valve (95) is divided into two paths, the first path is communicated to an upper chamber synchronous motor (96) of the oil cylinder through an upper chamber reversing oil pipe, the second path is communicated to a lower chamber synchronous motor (97) of the oil cylinder through a lower chamber reversing oil pipe, the oil cylinder upper cavity synchronous motor (96) and the oil cylinder lower cavity synchronous motor (97) are respectively communicated to the suspension oil cylinder (8) through oil pipes.
10. The reaction beam lifting and positioning mechanism according to claim 9, wherein a bypass is provided in an oil outlet passage of the pilot-operated check valve (95), and an overflow valve (98) is provided in the bypass.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121728.XA CN112945588B (en) | 2021-01-28 | 2021-01-28 | Lifting and positioning mechanism for counterforce cross beam |
| PCT/CN2021/129519 WO2022160854A1 (en) | 2021-01-28 | 2021-11-09 | Raising/lowering and positioning mechanism for reaction cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121728.XA CN112945588B (en) | 2021-01-28 | 2021-01-28 | Lifting and positioning mechanism for counterforce cross beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112945588A true CN112945588A (en) | 2021-06-11 |
| CN112945588B CN112945588B (en) | 2022-10-25 |
Family
ID=76239047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110121728.XA Active CN112945588B (en) | 2021-01-28 | 2021-01-28 | Lifting and positioning mechanism for counterforce cross beam |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112945588B (en) |
| WO (1) | WO2022160854A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022160854A1 (en) * | 2021-01-28 | 2022-08-04 | 中车长春轨道客车股份有限公司 | Raising/lowering and positioning mechanism for reaction cross beam |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063451A (en) * | 2012-12-26 | 2013-04-24 | 浙江大学 | Rail transit train wholly moving load analog loading method and device |
| CN105784388A (en) * | 2016-05-30 | 2016-07-20 | 长春速建新技术开发有限公司 | Axle lifting type hydraulic oil cylinder lifting brake platform |
| CN205691343U (en) * | 2016-05-30 | 2016-11-16 | 长春速建新技术开发有限公司 | Sedan lifted type hydraulic jack lifting brake platform |
| CN106289820A (en) * | 2016-08-24 | 2017-01-04 | 中车唐山机车车辆有限公司 | For the flexible checking equipment that rail vehicle is integrated |
| CN209242462U (en) * | 2018-11-05 | 2019-08-13 | 希姆斯电梯(中国)有限公司 | A kind of counterweight block pressur plate bracket |
| CN210562601U (en) * | 2019-08-19 | 2020-05-19 | 上海互集建筑科技有限公司 | Assembled steel construction building |
| CN211161582U (en) * | 2019-11-21 | 2020-08-04 | 埃威迪（黄石）数控技术有限公司 | Retaining finger pneumatic locking mechanism for numerical control bending machine |
| CN112129558A (en) * | 2020-09-23 | 2020-12-25 | 中车长春轨道客车股份有限公司 | Test bench counter-force crossbeam enclasping lifting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100345778B1 (en) * | 2000-07-24 | 2002-07-24 | 현대자동차주식회사 | Device for testing reclining of seatback for automobile |
| CN202668069U (en) * | 2012-04-01 | 2013-01-16 | 苏州农业职业技术学院 | Guide rail installation device on beam |
| CN103048149B (en) * | 2012-09-18 | 2015-07-08 | 吉林大学 | Parameter determining test bed for gantry framework type rail vehicle bogie |
| CN112129556B (en) * | 2020-09-23 | 2022-02-11 | 中车长春轨道客车股份有限公司 | Device for holding and lifting test bed counter-force beam |
| CN112945588B (en) * | 2021-01-28 | 2022-10-25 | 中车长春轨道客车股份有限公司 | Lifting and positioning mechanism for counterforce cross beam |
-
2021
- 2021-01-28 CN CN202110121728.XA patent/CN112945588B/en active Active
- 2021-11-09 WO PCT/CN2021/129519 patent/WO2022160854A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063451A (en) * | 2012-12-26 | 2013-04-24 | 浙江大学 | Rail transit train wholly moving load analog loading method and device |
| CN105784388A (en) * | 2016-05-30 | 2016-07-20 | 长春速建新技术开发有限公司 | Axle lifting type hydraulic oil cylinder lifting brake platform |
| CN205691343U (en) * | 2016-05-30 | 2016-11-16 | 长春速建新技术开发有限公司 | Sedan lifted type hydraulic jack lifting brake platform |
| CN106289820A (en) * | 2016-08-24 | 2017-01-04 | 中车唐山机车车辆有限公司 | For the flexible checking equipment that rail vehicle is integrated |
| CN209242462U (en) * | 2018-11-05 | 2019-08-13 | 希姆斯电梯(中国)有限公司 | A kind of counterweight block pressur plate bracket |
| CN210562601U (en) * | 2019-08-19 | 2020-05-19 | 上海互集建筑科技有限公司 | Assembled steel construction building |
| CN211161582U (en) * | 2019-11-21 | 2020-08-04 | 埃威迪（黄石）数控技术有限公司 | Retaining finger pneumatic locking mechanism for numerical control bending machine |
| CN112129558A (en) * | 2020-09-23 | 2020-12-25 | 中车长春轨道客车股份有限公司 | Test bench counter-force crossbeam enclasping lifting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022160854A1 (en) * | 2021-01-28 | 2022-08-04 | 中车长春轨道客车股份有限公司 | Raising/lowering and positioning mechanism for reaction cross beam |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022160854A1 (en) | 2022-08-04 |
| CN112945588B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112945588B (en) | Lifting and positioning mechanism for counterforce cross beam | |
| CN112129556B (en) | Device for holding and lifting test bed counter-force beam | |
| CN114658922B (en) | Pressure steel pipe mounting bracket convenient to high-efficient alignment | |
| CN111136454B (en) | Assembling tool and method for magnetic levitation vehicle | |
| CN112129558B (en) | Test bench counter-force crossbeam enclasping lifting device | |
| CN103712811B (en) | Combination beam pre-stress type is hydraulic bracket test-bed | |
| CN112945589A (en) | Test bed counter-force crossbeam lifting positioning device | |
| CN205602900U (en) | Buffer base reinforcing apparatus | |
| CN105836678A (en) | Lifting device and lifting method for large tank | |
| CN214831981U (en) | Steel construction bridge member installation guider assembly | |
| CN114684702A (en) | Assembled shear wall transporting and hoisting device and using method thereof | |
| CN209578560U (en) | Lift is oriented to cohesion device | |
| CN205023672U (en) | Hauler base structure | |
| CN113235434A (en) | High-altitude unequal-height sliding transportation positioning system for large-scale component and construction method | |
| CN218293530U (en) | Self-locking lifting device | |
| CN221074265U (en) | Frame device of tunnel prefabricated assembly type structure assembly trolley | |
| CN219053411U (en) | Crane trolley welding tool | |
| CN211470474U (en) | Host mounting frame | |
| CN215617768U (en) | Dismounting tool for rear axle and motor system assembly of electric automobile | |
| CN216966820U (en) | Workpiece mounting and fixing device | |
| CN211614709U (en) | Automobile assembly welding fixture | |
| CN220972320U (en) | General type stand of high accuracy equipment | |
| CN221088738U (en) | Detachable inclined slide mounting platform for submersible deep well pump | |
| CN217097689U (en) | Tooling equipment | |
| CN217255641U (en) | Inclined die frame for assembling escalator truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |